CN220090138U - Anesthesia quantitative injector with multipoint current limiting structure - Google Patents

Abstract

The utility model provides an anesthesia quantitative injector with a multipoint current limiting structure, which relates to the technical field of operation anesthesia and comprises a needle cylinder, wherein a rubber plug is arranged in the needle cylinder, a needle rod is arranged in the needle cylinder, one end of the needle rod is fixedly provided with a circular plate, the inlet end of the needle cylinder is in threaded connection with a cylinder cover, the other side of the cylinder cover movably penetrates through a T-shaped rod, two placing grooves are formed in the outer surface of the T-shaped rod, one of the placing grooves is internally fixed with a scale, and the other side of the cylinder cover is fixedly provided with a hollow block. According to the utility model, under the cooperation of the scale, the hand screw, the observation hole, the placing groove, the T-shaped rod, the cylinder cover, the needle rod rubber plug, the circular plate and the hollow block, the accurate quantitative anesthetic liquid can be introduced into the cylinder, namely, the situation that the body of a patient is influenced or not anesthetized when the anesthetic is excessively and less injected into the affected part of the patient is prevented, and the use efficiency of the anesthetic injector is effectively improved.

Description

Anesthesia quantitative injector with multipoint current limiting structure

Technical Field

The utility model relates to the technical field of surgical anesthesia, in particular to an anesthesia quantitative injector with a multipoint current limiting structure.

Background

Syringes are a common medical device, and can be used for injecting medical equipment, containers, such as scientific instruments in chromatography, through a rubber diaphragm, however, when a patient is operated, a doctor generally uses anesthetic before the operation in order to reduce pain caused to the patient during the operation, and the anesthetic is generally required to be injected into a position where the patient needs to operate by using the syringe.

In the prior art, for example, chinese patent publication number: CN107362415B discloses an anesthetic injector, comprising an injection tube, wherein the front end of the injection tube is provided with an injection needle, the interior of the injection tube is provided with a piston rod, and the rear end of the injection tube is provided with an injection push plate connected with the piston rod; the outer wall cover of injection tube is equipped with massage device, the outer wall of injection tube is provided with the external screw thread, massage device's inner wall be provided with external threaded connection's internal screw thread, just external screw thread and internal screw thread's length are all greater than the length of syringe needle. When an anesthesiologist needs to massage a patient, the massage device can be screwed out until the front end of the massage device exceeds the position where the injection needle is positioned, so that the injection needle can be prevented from stabbing the patient during massage, and the effect of protecting the patient is achieved; in addition, the massage device is in threaded connection with the injection cylinder, the injection cylinder with external threads can be produced in batch, and the massage device can be reused after being cleaned and disinfected, so that the waste of resources is avoided, and the manufacturing cost is reduced.

In the above patent, although the anesthetic syringe solves the problem that the needle can stab the patient when the doctor massages the patient, the anesthetic syringe does not have the function of quantitative injection, when the patient needs to inject the anesthetic with accurate amount, the doctor can only control the amount by virtue of own experience and technology, but the mode is not practical and inaccurate, if too many injections can affect the body of the patient, too few injections cannot take the anesthetic effect, so a novel anesthetic quantitative syringe with a multi-point current limiting structure needs to be proposed.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, an anesthetic injector does not have a function of quantitative injection, namely, when a patient performs anesthetic injection, the amount of anesthetic can be controlled only by virtue of experience and technology of doctors, but the method is not practical and inaccurate, if too many injections can affect the body of the patient, too few injections cannot have an anesthetic effect, namely, the use efficiency of the anesthetic injector is reduced, and the anesthetic quantitative injector with the multipoint current limiting structure is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an anesthesia ration syringe with multiple spot current limiting structure, includes the cylinder, the inside of cylinder is provided with the plug, the inside of cylinder is provided with the needle bar, the one end of needle bar is fixed with the plectane, the entrance point threaded connection of cylinder has the cover, the opposite side activity of cover is run through there is T type pole, two standing grooves have been seted up to the surface of T type pole, one of them the inside of standing groove is fixed with the scale, the opposite side of cover is fixed with hollow block, the outer wall screw thread of hollow block runs through has the hand to twist the screw, the observation hole has been seted up to the outer wall of hollow block.

Preferably, one side of the circular plate is adhered to the other side of the rubber plug, and the circular plate is movably sleeved in the needle cylinder.

Preferably, one end of the needle bar movably penetrates through the other side of the cylinder cover.

Preferably, one end of the hand-screwed screw extends to the inside of the other placement groove.

Preferably, a needle is arranged at one end of the needle cylinder, and a protective sleeve is arranged on the outer surface of the needle.

Preferably, two symmetrical connecting blocks are fixed on the outer surface of the cylinder cover.

Compared with the prior art, the utility model has the advantages and positive effects that,

according to the utility model, under the cooperation of the scale, the hand screw, the observation hole, the placing groove, the T-shaped rod, the cylinder cover, the needle rod rubber plug, the circular plate and the hollow block, accurate quantitative anesthetic liquid can be introduced into the needle cylinder, namely, the situation that the body of a patient is influenced or is not anesthetized when the anesthetic is excessively and rarely injected into the affected part of the patient is prevented, namely, the use efficiency of the anesthesia injector is effectively improved.

Drawings

Fig. 1 is a perspective view showing an anesthetic dosing syringe provided with a multi-point flow limiting structure according to the present utility model;

FIG. 2 is an enlarged perspective view of the anesthetic dosing injector of FIG. 1 with a multi-point flow limiting structure according to the present utility model;

FIG. 3 is a schematic perspective view showing a hollow block and a viewing port of an anesthetic dosing syringe with a multi-point flow limiting structure according to the present utility model;

fig. 4 is a perspective view, partially in section, of an anesthetic dosing syringe provided with a multi-point flow limiting structure according to the present utility model.

Legend description: 1. a needle cylinder; 2. a rubber plug; 3. a needle bar; 4. a cylinder cover; 5. a T-shaped rod; 6. a placement groove; 7. a hollow block; 8. a ruler; 9. screwing the screw by hand; 10. an observation hole; 11. a needle; 12. a protective sleeve; 13. a connecting block; 14. and a circular plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1-4, the utility model provides an anesthesia quantitative injector with a multipoint current limiting structure, which comprises a needle cylinder 1, wherein a rubber plug 2 is arranged in the needle cylinder 1, a needle rod 3 is arranged in the needle cylinder 1, one end of the needle rod 3 is fixedly provided with a circular plate 14, the inlet end of the needle cylinder 1 is in threaded connection with a cylinder cover 4, the other side of the cylinder cover 4 movably penetrates through a T-shaped rod 5, two placing grooves 6 are formed in the outer surface of the T-shaped rod 5, a scale 8 is fixedly arranged in one of the placing grooves 6, a hollow block 7 is fixedly arranged on the other side of the cylinder cover 4, a hand screw 9 penetrates through the outer wall thread of the hollow block 7, an observation hole 10 is formed in the outer wall of the hollow block 7, one side of the circular plate 14 is adhered to the other side of the rubber plug 2, the circular plate 14 is movably sleeved in the needle cylinder 1, one end of the needle rod 3 movably penetrates through the other side of the cylinder cover 4, one end of the hand screw 9 extends into the other placing groove 6, one end of the needle 11 is mounted at one end of the needle cylinder 1, a needle head 12 is mounted on the outer surface of the needle 11, and the outer surface of the needle 11 is fixedly provided with two symmetrical connecting blocks 13.

The effect that its reached is, when the inside inhalation ration anesthetic liquid of syringe is needed, at this moment, loosen hand screw 9 earlier, remove the fixed power of hand screw 9 to T type pole 5 extrusion, then under the cooperation of hollow piece 7 and cover 4, the level is stable remove T type pole 5, the T type pole 5 of removal can drive scale 8 and take place to remove this moment, at this moment according to the condition of required anesthetic dosage, the numerical value on the rethread observation scale 8 of rethread observation hole 10 is followed the condition of observation hole 10 through-hole internal passage, when the through-hole coincidence of required volume numerical value and observation hole 10, stop the removal of T type pole 5 this moment, at this moment at the time at the direct extrusion of tightening hand screw 9 with T type pole 5 fixed after moving, then take off protective sheath 12, simultaneously under the cooperation through connecting block 13, the needle pole 3 of pulling, the time can be under the cooperation of plectane 14, syringe 1, 11 and plug 2, direct according to atmospheric pressure principle, at this moment, the inside inhalation of anesthetic liquid to 1, the opposite side and the condition that the inside of the 5 through-hole internal inhalation of observation hole 10, the numerical value when the required volume and the through-hole coincidence of observation hole 10, at this moment, the time, stop the removal of T type pole 5 is fixed after the extrusion is carried out through the extrusion of hand screw 9, then, and then take down protective sleeve 12, simultaneously, and under the cooperation of the needle 3 is pulled under the cooperation of the effect of needle cylinder, at this time, and direct syringe's can be accurate, and can be reached when the anesthetic dosage.

Working principle: when the quantitative anesthetic liquid is required to be sucked into the syringe, the hand screw 9 is loosened firstly, the force of the hand screw 9 for fixing the T-shaped rod 5 by extrusion is relieved, then under the cooperation of the hollow block 7 and the cylinder cover 4, the T-shaped rod 5 is horizontally and stably moved, the movable T-shaped rod 5 can drive the staff 8 to move, at the moment, according to the condition of the required anesthetic dosage, the condition that the numerical value on the staff 8 passes through the through hole of the observation hole 10 is observed through the observation hole 10, when the required volume numerical value is coincident with the through hole of the observation hole 10, the movement of the T-shaped rod 5 is stopped at the moment, the hand screw 9 is directly screwed, the T-shaped rod 5 can be moved by the extrusion of the hand screw 9 and then the protective sleeve 12 is removed, at the moment, the needle rod 3 is pulled by the cooperation of the connecting block 13, at the moment, the movable needle rod 3 can be sucked into the syringe 1 directly according to the atmospheric pressure principle under the cooperation of the circular plate 14, the needle 11 and the rubber plug 2, when the other side of the circular plate 14 is contacted with one end of the T-shaped rod 5, the anesthetic liquid is stopped, and then the anesthetic dosage is directly injected into an affected part of a patient after the anesthesia dosage is just required by the needle cylinder 1.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. An anesthesia quantitative injector with a multipoint current limiting structure comprises a needle cylinder (1), and is characterized in that: the inside of cylinder (1) is provided with plug (2), the inside of cylinder (1) is provided with needle bar (3), the one end of needle bar (3) is fixed with plectane (14), the entrance point threaded connection of cylinder (1) has cover (4), the opposite side activity of cover (4) runs through has T type pole (5), two standing grooves (6) have been seted up to the surface of T type pole (5), one of them the inside of standing groove (6) is fixed with scale (8), the opposite side of cover (4) is fixed with hollow piece (7), the outer wall screw thread of hollow piece (7) runs through has hand screw (9), observation hole (10) have been seted up to the outer wall of hollow piece (7).

2. The anesthesia dosing syringe provided with a multi-point flow limiting structure according to claim 1, wherein: one side of the circular plate (14) is adhered to the other side of the rubber plug (2), and the circular plate (14) is movably sleeved in the needle cylinder (1).

3. The anesthesia dosing syringe provided with a multi-point flow limiting structure according to claim 1, wherein: one end of the needle bar (3) movably penetrates through the other side of the cylinder cover (4).

4. The anesthesia dosing syringe provided with a multi-point flow limiting structure according to claim 1, wherein: one end of the hand-screwed screw (9) extends to the inside of the other placing groove (6).

5. The anesthesia dosing syringe provided with a multi-point flow limiting structure according to claim 1, wherein: one end of the needle cylinder (1) is provided with a needle head (11), and the outer surface of the needle head (11) is provided with a protective sleeve (12).

6. The anesthesia dosing syringe provided with a multi-point flow limiting structure according to claim 1, wherein: two symmetrical connecting blocks (13) are fixed on the outer surface of the cylinder cover (4).